Kata Containers - Guests can trick the kata-runtime into unmounting any mount point on the host
CVE-2020-2024

6.5MEDIUM

Key Information:

Vendor

Kata Containers

Status
Kata Containers
Vendor
CVE Published:
19 May 2020

What is CVE-2020-2024?

An improper link resolution vulnerability affects Kata Containers versions prior to 1.11.0. Upon container teardown, a malicious guest can trick the kata-runtime into unmounting any mount point on the host and all mount points underneath it, potentiality resulting in a host DoS.

Affected Version(s)

Kata Containers < 1.11.0

References

https://github.com/kata-containers/runtime/issues/2474
x_refsource_MISC
https://github.com/kata-containers/runtime/pull/2475
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yuval Avrahami, Palo Alto Networks
.